ChemInform Abstract: Preparation of Silica‐Bonded Propyl‐diethylene‐triamine‐N‐sulfamic Acid as a Recyclable Catalyst for Chemoselective Synthesis of 1,1‐Diacetates.

Abstract

C h emIn fo rm 2 0 1 2 , 4 3 , issu e 1 0 © 2 0 1 2 Wiley -VCH Verl ag G m b H & Co. K G a A , We i n he i m A l de h y de d e r i v a t i ve s Q 0 340 DOI: 1 0.100 2/ch in.201 2100 64 P r epa ration of Silica-Bonde d Propy l-die thylene -triamine -N-sulfa mic Acid as a Re cyc lable C at alys t f or Chemo se lec tiv e Sy nthe sis of 1 ,1-Diac et at e s. -Th e d esc ribed proce dure d oes no t work f o r keton es. All produc ts a re pu rif ie d by recrysta llizat ion. The c ata lyst could be re cyc led for se ve ra l time s. -(NO UR I SEFAT, M .; DERI S, A.; NIKNAM*, K.; Chin. J. Chem . 29 (2 011) 1 1, 23 61-236 7 ; De p. Che m., P e rsia n Gu lf U niv ., Bu sh eh r 7 5 1 69 , Ira n ; E ng .) -G. M ue ller